21183416

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{373}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 41289600

約数和(自身を除く): 20106184

約数列:

[1, 2, 4, 8, 31, 62, 124, 229, 248, 373, 458, 746, 916, 1492, 1832, 2984, 7099, 11563, 14198, 23126, 28396, 46252, 56792, 85417, 92504, 170834, 341668, 683336, 2647927, 5295854, 10591708, 21183416]

約数ペア:

[(1, 21183416), (2, 10591708), (4, 5295854), (8, 2647927), (31, 683336), (62, 341668), (124, 170834), (229, 92504), (248, 85417), (373, 56792), (458, 46252), (746, 28396), (916, 23126), (1492, 14198), (1832, 11563), (2984, 7099)]